Web Development AI Trainer (Remote, Contract)

About OpenTrain

OpenTrain is the #1 platform for finding and building careers in AI training and data labeling. We help people discover projects, build a unified AI‑training portfolio, and grow a durable freelance career teaching AI — all without fees to create an account.

OpenTrain connects skilled contributors with companies that need high‑quality human examples and evaluations to teach AI systems. This role is listed through OpenTrain to reach contributors worldwide.

Why work in AI training

AI training (data labeling / human feedback) is the human work behind how AI learns: people create, annotate, and evaluate content so models can reason and perform reliably.

This work is often fully remote, flexible, accessible to contributors with practical skills, and gives you a direct impact on how state‑of‑the‑art systems behave.

The role — Web Development AI Trainer

Micro1 is recruiting a Web Developer to produce real, high‑quality web code and evaluations used to train and evaluate AI systems. You will work as a part‑time contractor on remote projects that require modern web development skills.

Employment type: Contractor, Part‑time. Time requirement: 20+ hours per week. Language: English (working proficiency). Location: Remote — open worldwide.

• Pay structure: Pay‑per‑hour contractor work. Pay range: $20–$70/hour, up to $70/hour.
• Data & tasks: This role contributes computer code examples and evaluation ratings used for AI training (data type: Computer code/programming).
• Labeling tools: Project uses custom/other labeling software for coding and evaluation tasks.

What you'll do day‑to‑day

Work on real web projects and produce code and evaluations that become training data for AI systems. You will both create assets and rate or evaluate code quality and behavior as required by project instructions.

• Build and maintain responsive, user‑friendly websites for customers.
• Integrate backend APIs and handle data exchange between frontend and backend services.
• Collaborate with design teams to deliver visually appealing, usable experiences.
• Troubleshoot, debug, and optimize web applications for performance and scalability.
• Write clean, documented, maintainable code following industry best practices.
• Contribute to project planning and advise on technical feasibility and solutions.
• Communicate clearly with team members and stakeholders in writing and verbally.

Requirements

Candidates must meet the required technical and communication skills below. This is listed as entry level but requires demonstrated competence in modern web development and remote collaboration.

• Advanced proficiency in HTML and CSS for modern, accessible layouts.
• Strong knowledge of JavaScript for dynamic web functionality.
• In‑depth experience integrating and consuming backend APIs.
• Strong understanding of responsive and cross‑browser design principles.
• Excellent written and verbal communication skills in English.
• Ability to work independently, manage multiple priorities, and collaborate remotely.
• Experience working in distributed teams and using digital project management tools.

Helpful background (not required)

The following experience is advantageous and may help you move faster in projects, but is not mandatory.

• Familiarity with Content Management Systems like WordPress or similar platforms.
• Exposure to version control systems such as Git.
• Prior experience working with international or Silicon Valley‑based companies.

How the AI‑training work is structured & how to apply

This position mixes hands‑on web development with evaluation tasks: contributors produce code samples and perform evaluation/rating tasks that teach models to understand and generate quality web code.

To apply, create a free OpenTrain account, complete your contributor profile, and submit an application for this Micro1 posting. Provide examples of your web work and any relevant collaboration experience.

• Labeling specifics: Data type = Computer code/programming; Label types = Computer programming/coding and evaluation/rating.
• Tooling: Projects use custom or other labeling software; training and instructions will be provided for each assignment.
• Open worldwide: Candidates from any country may apply; English required.